USA Boys 10 & under - 50 Y Back
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Mason Stout | 36.34 | 10 | A Min | AA: 35.79 (+0.55s | 1.5%) | Foxjets Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 602 | Baker Lowrance | 36.34 | 10 | A Min | AA: 35.79 (+0.55s | 1.5%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 603 | Riccardo Sardena | 36.34 | 9 | A Min | AA: 35.79 (+0.55s | 1.5%) | Swim Team of Placentia | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 604 | Mason Pitts | 36.35 | 9 | A Min | AA: 35.79 (+0.56s | 1.5%) | Kelso | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 605 | Qifan Gong | 36.35 | 9 | A Min | AA: 35.79 (+0.56s | 1.5%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 606 | Ario Pardee | 36.35 | 10 | A Min | AA: 35.79 (+0.56s | 1.5%) | Maui Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 607 | Thomas Blumenschein | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 608 | Eric Zeng | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 609 | Matthew Frankovic | 36.36 | 9 | A Min | AA: 35.79 (+0.57s | 1.6%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 610 | Adam Lum | 36.37 | 10 | A Min | AA: 35.79 (+0.58s | 1.6%) | Lakewood Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 611 | Theodore Herrera | 36.38 | 10 | A Min | AA: 35.79 (+0.59s | 1.6%) | Crimson Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 612 | Joseph Nguyen | 36.38 | 9 | A Min | AA: 35.79 (+0.59s | 1.6%) | Three Village Swim Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 613 | Noah Chen | 36.38 | 10 | A Min | AA: 35.79 (+0.59s | 1.6%) | Blue Wave Swim Team PV | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 614 | Louis Choi | 36.38 | 9 | A Min | AA: 35.79 (+0.59s | 1.6%) | Saline Swim Team | 12/13/2025 | 2025 DRD Winter Solstice Meet | |
| 615 | Jacob Witlin | 36.39 | 10 | A Min | AA: 35.79 (+0.60s | 1.6%) | Condors Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 616 | Emilio Retana | 36.40 | 10 | A Min | AA: 35.79 (+0.61s | 1.7%) | El Paso Aqua Posse | 02/27/2026 | 2026 BD SCY Border Champs | |
| 617 | Axel Wortman | 36.41 | 10 | A Min | AA: 35.79 (+0.62s | 1.7%) | Bozeman Barracudas Swim Team | 12/04/2025 | 2025 Holiday Swim Festival | |
| 618 | Quincy Happeny | 36.42 | 10 | A Min | AA: 35.79 (+0.63s | 1.7%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 619 | Rossi Cofield | 36.42 | 9 | A Min | AA: 35.79 (+0.63s | 1.7%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 620 | Lucas Romero | 36.42 | 8 | A Min | AA: 35.79 (+0.63s | 1.7%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 621 | Oliver Monroe | 36.43 | 10 | A Min | AA: 35.79 (+0.64s | 1.8%) | Royal Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 622 | Henry Reed | 36.43 | 9 | A Min | AA: 35.79 (+0.64s | 1.8%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 623 | Grady Santiuste | 36.44 | 10 | A Min | AA: 35.79 (+0.65s | 1.8%) | Atlantic Coast Athletic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 624 | Gael Hernandez | 36.44 | 10 | A Min | AA: 35.79 (+0.65s | 1.8%) | EL Paso Border Land Swim Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 625 | Cyrill Reppen | 36.44 | 10 | A Min | AA: 35.79 (+0.65s | 1.8%) | American Renaissance Academy | 04/25/2026 | SKA Home Meet 42526 MOCK Day 1 Copied | |
| 626 | Randall Plaisance | 36.45 | 9 | A Min | AA: 35.79 (+0.66s | 1.8%) | Opelika Swim Team | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 627 | Noah Czech | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Diamond State Aquatics | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 628 | Nick Scarpitti | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Cincinnati Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 629 | Luke Chen | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Three Village Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 630 | Charles Sanders | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 631 | Yo Abe | 36.45 | 10 | A Min | AA: 35.79 (+0.66s | 1.8%) | Huntsville Swim Association | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 632 | Walter Speicher | 36.46 | 9 | A Min | AA: 35.79 (+0.67s | 1.8%) | Monocacy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 633 | James Zechmeister | 36.46 | 9 | A Min | AA: 35.79 (+0.67s | 1.8%) | Minnetonka Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 634 | Camille Turpin | 36.46 | 10 | A Min | AA: 35.79 (+0.67s | 1.8%) | Asphalt Green Unified Aquatics | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 635 | William Heath | 36.46 | 10 | A Min | AA: 35.79 (+0.67s | 1.8%) | YMCA of Greater Nashua Storm | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 636 | William Truong | 36.47 | 10 | A Min | AA: 35.79 (+0.68s | 1.9%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 637 | Bennett Nash | 36.47 | 10 | A Min | AA: 35.79 (+0.68s | 1.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 638 | Nathan Plymale | 36.49 | 10 | A Min | AA: 35.79 (+0.70s | 1.9%) | Bowling Green Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 639 | Jackson Coslick | 36.49 | 9 | A Min | AA: 35.79 (+0.70s | 1.9%) | Annapolis Swim Club | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 640 | Sylas York | 36.49 | 10 | A Min | AA: 35.79 (+0.70s | 1.9%) | San Clemente Aquatic Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 641 | Aiden Gordon | 36.49 | 9 | A Min | AA: 35.79 (+0.70s | 1.9%) | Monroe-Woodbury Devilfish Aqua | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 642 | Muyang He | 36.50 | 9 | A Min | AA: 35.79 (+0.71s | 1.9%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 643 | Ethan Wu | 36.51 | 9 | A Min | AA: 35.79 (+0.72s | 2.0%) | Swim Torrance | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 644 | Hamilton Holliday | 36.51 | 10 | A Min | AA: 35.79 (+0.72s | 2.0%) | Huntsville Swim Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 645 | Yupeng Wang | 36.51 | 10 | A Min | AA: 35.79 (+0.72s | 2.0%) | Monterey Park Manta Rays | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 646 | Graham Greenblatt | 36.52 | 10 | A Min | AA: 35.79 (+0.73s | 2.0%) | Swim Streamline at Northampton | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 647 | Christian Bertram | 36.52 | 10 | A Min | AA: 35.79 (+0.73s | 2.0%) | Naval Academy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 648 | Ryan Tsuchitani | 36.52 | 10 | A Min | AA: 35.79 (+0.73s | 2.0%) | Mason Makos Swim Team | 11/21/2025 | 2025 Swim Rock | |
| 649 | Kenneth Huang | 36.52 | 10 | A Min | AA: 35.79 (+0.73s | 2.0%) | Charles River Aquatics | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 650 | Lucas Jiang | 36.52 | 9 | A Min | AA: 35.79 (+0.73s | 2.0%) | Kingfish Swimming Medfield | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.